Cell Cycle ProteinsCell CycleCyclin-Dependent Kinase Inhibitor p27Cyclin DCyclinsCyclin D1Cyclin-Dependent KinasesCyclin-Dependent Kinase Inhibitor p21Cyclin-Dependent Kinase 4Cyclin D2G1 PhaseCyclin B1Retinoblastoma ProteinProliferating Cell Nuclear AntigenCell DivisionCyclin BCell ProliferationCyclin EMitosisS PhaseCyclin-Dependent Kinase 2E2F1 Transcription FactorCyclin D3Cyclin ATumor Suppressor ProteinsCDC2 Protein KinaseApoptosisCDC2-CDC28 KinasesCells, CulturedCell Cycle CheckpointsTumor Suppressor Protein p53PhosphorylationE2F Transcription FactorsCell Line, TumorMicrotubule-Associated ProteinsKi-67 AntigenGene Expression RegulationProtein-Serine-Threonine KinasesDNA-Binding ProteinsSignal TransductionBlotting, WesternCyclin-Dependent Kinase Inhibitor p16Proteasome Endopeptidase ComplexImmunohistochemistryMutationMolecular Sequence DataFlow CytometryTranscription FactorsTime FactorsRNA, MessengerCell LineDown-RegulationDNAProto-Oncogene ProteinsCell DifferentiationEnzyme InhibitorsCell SurvivalAmino Acid SequenceG2 PhaseNuclear ProteinsProtein BindingMenstrual CycleRats, Sprague-DawleyNeuronsProteolysisUbiquitincis-trans-IsomerasesMice, KnockoutG2 Phase Cell Cycle CheckpointsTumor Cells, CulturedCarrier ProteinsUbiquitin-Protein LigasesUbiquitinationHeLa CellsG0 PhaseBiodegradation, EnvironmentalModels, BiologicalDNA DamageG1 Phase Cell Cycle CheckpointsCell NucleusDNA ReplicationSaccharomyces cerevisiaeGene ExpressionBase SequenceKineticsGenes, cdcTranscription, GeneticSaccharomyces cerevisiae ProteinsUbiquitinsInterphaseCysteine Endopeptidasescdc25 PhosphatasesFibroblastsTransfectionMultienzyme ComplexesRNA, Small InterferingUbiquitin-Protein Ligase ComplexesEstrous CycleFungal ProteinsRNA Interference